<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>基础-上传文件</title>
    <style>
    *{
        margin: 0;padding: 0;
    }
    @-webkit-keyframes tt{0%{background-position:0 0}to{background-position:480px 0}}@-o-keyframes skeleton-stripes-data-v-4432e692{0%{background-position:0 0}to{background-position:480px 0}}

    .skeleton-row{
        margin-bottom: 16px;
        background: linear-gradient(90deg,#fff,#edeff1,#fff);
        background-size: 480px 480px;
        animation: tt .6s linear infinite;
        height: 1.2rem;
    }

    </style>
</head>
<body>
   <div style="width:70%;">
<div class="skeleton-row" style="width:40%;"></div>

<div class="skeleton-row" style="width:80%;"></div>

<div class="skeleton-row"></div></div>

</body>
</html>
